4148665977 has 4 divisors (see below), whose sum is σ = 5531554640. Its totient is φ = 2765777316.

The previous prime is 4148665931. The next prime is 4148665981. The reversal of 4148665977 is 7795668414.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 4148665977 - 2⁷ = 4148665849 is a prime.

It is a super-2 number, since 2×4148665977² = 34422858777434729058, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4148665987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 691444327 + ... + 691444332.

It is an arithmetic number, because the mean of its divisors is an integer number (1382888660).

Almost surely, 2^4148665977 is an apocalyptic number.

It is an amenable number.

4148665977 is a deficient number, since it is larger than the sum of its proper divisors (1382888663).

4148665977 is a wasteful number, since it uses less digits than its factorization.

4148665977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1382888662.

The product of its digits is 10160640, while the sum is 57.

The square root of 4148665977 is about 64410.1387748854. The cubic root of 4148665977 is about 1606.8283660183.

The spelling of 4148665977 in words is "four billion, one hundred forty-eight million, six hundred sixty-five thousand, nine hundred seventy-seven".